Muir's three-night camping trip with President Theodore Roosevelt in 1903 could be considered the most significant camping trip in conservation history. John Muir was one of the earliest advocates ...

Naturalist John Muir himself called the park "the best tree-lovers monument that could possibly be found in all the forests of the world." “it is super important to conserve what remaining forests we ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to ...

Towering over May Lake’s supreme stillness is Mount Hoffman, a 10,850-foot mountain at the geographic center of Yosemite known as one of John Muir’s favorite vistas. He once called the ...

The John Muir Trust is one of Scotland’s biggest land management charities. A damning report written by a former senior member of staff at a conservation charity makes claims as to why the 40 ...

David Muir is a broadcast journalist who is the host and managing editor of "ABC World News Tonight with David Muir." The news show airs daily on ABC News at 6:30 p.m. ET. Muir, who has been ABC ...

Get the most important Track & Field stories delivered straight to your inbox.

ABC News' David Muir dismissed post-debate "noise" about the performance of the candidates and moderators in an interview on Monday, defending how he and Linsey Davis conducted the event.

The escalating crisis in the Middle East, with Iranian airstrikes on Israel, could be a topic for Sen. JD Vance (R-OH) and ...

DAVID MUIR, ABC NEWS: So let's get started. I want to begin tonight with the issue that voters repeatedly say is their number one issue, and that is the economy and the cost of living in this country.

For more than a century, visitors sought out the stunning Muir Woods National Monument to hike amid the breathtaking beauty of a rare, intact old-growth redwood forest, just 15 miles north of San ...